发明名称 |
Memory management method and portable terminal device |
摘要 |
A memory management method for managing a non-volatile memory into which writing is performed in units of blocks includes the steps of assigning a plurality of blocks of the non-volatile memory to a management area formed of at least one block for storing management information, to a code area formed of a plurality of blocks into which program code is written, to a substitution area formed of a plurality of blocks for substituting for a defective block, and to an interference area formed of at least one block; storing at least correspondence information between the blocks of the substitution area and a defective block of a substitution target as management information within the management area; and using the block of the substitution area in place of the defective block on the basis of the correspondence information when the defective block is to be used.
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申请公布号 |
US7797573(B2) |
申请公布日期 |
2010.09.14 |
申请号 |
US20070882175 |
申请日期 |
2007.07.31 |
申请人 |
SONY ERICSSON MOBILE COMMUNICATIONS JAPAN, INC. |
发明人 |
AOYAGI KATSUMI;ICHIKAWA TOMOHIRO;MOTOYAMA YOSHINORI;HIRANO SATOSHI;SANBOMMATSU TOSHIHISA;HAYAMI TORU;KAMOHARA TADASHI;NAGATANI KAZUTOSHI |
分类号 |
G06F11/00 |
主分类号 |
G06F11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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